Breathing mask



FIG. 1 shows the front view of the ornamental design of breathing maskin accordance with the invention;

FIG. 2 is a rear view of the ornamental design of FIG. 1;

FIG. 3 is a perspective view of the ornamental design of FIG. 1;

FIG. 4 is a side view of the ornamental design of FIG. 1;

FIG. 5 is a reverse perspective side view of the ornamental design ofFIG. 1;

FIG. 6 is a bottom view of the ornamental design of FIG. 1; and,

FIG. 7 is a top view of the ornamental design of FIG. 1.

CLAIM The ornamental design of breathing mask, as shown.